Calling all chocolate lovers! You're going to love this news: A large new study from University of San Diego researchers found that people who eat chocolate a few times a week weigh less than those who don't treat themselves to chocolate.

What's going on? The researchers are stumped, actually. But one theory seems to be that people who indulge in chocolate regularly, in moderation, use it to reward themselves for other healthy choices, such as exercise and eating right. So maybe chocolate-lovers, in general, just make better health choices? Let's mull this one for a while...